[{"id":"6cd7d567-ff4b-4644-baec-186a374e42b8","created_at":"2025-07-10T21:16:21.869Z","updated_at":"2026-01-20T19:49:33.937Z","owner_id":"858aa612-be2e-44f6-97aa-9d4985aaf6b3","location_id":"56d9d32e-3845-466f-9341-794e6c9863f3","dataset_id":"8ca3f5cf-8fae-49fe-92d5-928468a8431c","form_id":"fcd2ffab-f05c-40c2-9b8d-a49c3eeb68fd","observed_at":"2018-07-17T19:45:00.000Z","observed_at_local":"2018-07-17T15:45:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","secchi_depth","chlorine","alkalinity","water_depth","conductivity","water_temperature","hardness","ph"],"photos":[],"permalink":"https://data.waterrangers.com/observations/52756","readings":[{"id":"936cfc3b-2ff3-41e7-9521-f9f1c84e53c8","created_at":"2025-07-10T21:16:21.945Z","updated_at":"2025-07-10T21:16:21.945Z","parameter":"oxygen","unit":"mg_l","value":"6.0","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"7336d2a4-f5b6-4c63-8531-0db336a4c3cb","created_at":"2025-07-10T21:16:21.958Z","updated_at":"2025-07-10T21:16:21.958Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"96062899-b791-4c61-8b14-a8749431de23","created_at":"2025-07-10T21:16:21.976Z","updated_at":"2025-07-10T21:16:21.976Z","parameter":"chlorine","unit":"ppm","value":"0.5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"3017020e-4a29-485e-a0bf-26a031959e39","created_at":"2025-07-10T21:16:21.995Z","updated_at":"2025-07-10T21:16:21.995Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"56647bf1-d21f-44d3-843f-539ab52f3571","created_at":"2025-07-10T21:16:22.021Z","updated_at":"2025-07-10T21:16:22.021Z","parameter":"water_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"36eff045-1706-44c9-ac78-7ed77bd37841","created_at":"2025-07-10T21:16:22.027Z","updated_at":"2025-07-10T21:16:22.027Z","parameter":"conductivity","unit":"us_cm","value":"35","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"a6b62b7f-4648-4791-843a-c8c425f3c448","created_at":"2025-07-10T21:16:22.056Z","updated_at":"2025-07-10T21:16:22.056Z","parameter":"water_temperature","unit":"deg_c","value":"25","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"6537353b-470e-42b8-b85f-0dd695596586","created_at":"2025-07-10T21:16:21.982Z","updated_at":"2025-11-19T15:02:02.365Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="},{"id":"7fcb7372-2d40-46bf-a39a-2b0001db5e2d","created_at":"2025-07-10T21:16:21.939Z","updated_at":"2025-11-19T15:02:02.365Z","parameter":"ph","unit":"std_units","value":"5.0","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":"<="}]}]